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Mathematics 12 Online
OpenStudy (anonymous):

Integral:secxdx=ln(secx+tanx)+C (a) Write sec x as cos x/(1 − sin2 x) and make a substitution to simplify the integral. (b) Integrate the resulting rational function by the partial fractions method. (c) Use the identity sin2 x + cos2 x = 1 to show that your result is equal to (1).

OpenStudy (anonymous):

d) multiply sec(x) by [sec(x)+tg(x)]/[sec(x)+tg(x)]

OpenStudy (anonymous):

whats that for?

OpenStudy (anonymous):

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